即使是元素状态为气体的氮，也通常作为硝酸根离子从土壤中被吸收。
Even nitrogen, which is a gas in its elemental state, is normally absorbed from the soil as nitrate ions.
方法：采用硫酸根离子沉淀法。
磷磷以磷酸根离子的形式被植物吸收。
Phosphorus. Phosphorus is obtained by plants in the form of phosphate (PO4) ion.
碳酸根离子也是活组织中的一种重要的碱。
Bicarbonate ions also serve as an important base in living tissue.
研制了酞菁钯pvc膜硫氰酸根离子选择性电极。
A palladium phthalocyanine-PVC membrane electrode for thiocyanate ion was prepared.
这两种方案都表明亚硝酸根离子不是由硝酸根还原生成的。
Both schemes indicate that the nitrite ion is not produced by the reduction of the nitrate ion.
循环铬液中高浓度硫酸根离子的存在是造成上述差异的主要原因。
The main reason that results in the differences is the high concentration sulfate ion in the used chrome tan liquor.
各类石油化工，钢铁冶金工厂排放的废水中也含有大量硫酸根离子。
The waste water released by various types of petrochemicals, iron and steel metallurgy plant also contains a lot of sulfate ion.
作物液泡中硝酸根离子的再调动和再利用与作物氮素高效利用关系密切。
Remobilization of nitrate in leaf vacuoles of crops is closely related to nitrogen use efficiency of crop.
硫酸根离子呈现北低南高分带性可能与地下水流动与大陆咸化作用有关。
The sulfate radical ion shows hight in south and low in north is possible relate with the ground water flows and the mainland salty function.
本文研究了丙二酸、邻菲罗啉亚铁离子和溴酸根离子之间反应的振荡现象。
Oscillatory features of the reaction between malonic acid, ferrous o-phenanthroline ion and bromate ion have been studied.
所用滴定剂为十六烷基三甲基溴化铵，指示电极为氟硼酸根离子选择电极。
Cetyltrimethylammonium bromide is used as a titrant and a fluoroborate ion-selective electrode as an indicator electrode.
Carbonate -碳酸盐是一种基于碳酸根离子的矿物质，CO32 -。
如果碳酸根离子浓度降低超过一定限度，那么贝壳将开始溶解，甚至根本据不会形成。
If the level of carbonate ions falls too low the shells can dissolve or might never be made at all.
一般酸式酸根离子在溶液中能否大量共存，主要看它们之间能否发生质子转移反应。
Large amount of acid radical ion of acid salt can coexist or not in the solution depends on whether they have proton transfer reaction.
用该方法对阿霉素脂质体样品中的微量硫酸根离子进行了分析测定，结果令人满意。
This method has been proved to be simple, sensitive and accurate, and also has been applied to determine sulfate ion in liposome doxorubicin sample with satisfactory results.
介绍了一种采用针铁矿的天然矿物原料吸附酸性矿井废水中硫酸根离子的试验研究。
The absorption capacity of a natural mineral adsorbent has been investigated for sulfate reduction in acid mine drainage.
化合物4是由多酸阴离子、硫酸根离子、水分子通过氢键胶合在一起，形成3d结构。
Compound 4 is a 3d structure built from polyanion, sulfate ion, water molecules through hydrogen bonding interactions.
因此，含有焦磷酸根离子配合物的合成与结构研究正日益引起科研工作者们的广泛关注。
Therefore, synthesis and structure of containing pyrophosphate– bridged ligands are increasingly drawn the attentions of the scientific research workers.
对影响剂量测量的几个因素进行了研究，发现重铬酸根离子初始浓度对G值有一定的影响；
It is found that the G value slightly depends on the initial concentration of dichromate ions.
利用共沉淀水热法制备了镁铝阴离子粘土材料，研究了其水溶液对砷酸根离子的去除能力。
Mg - Al anionic clay was prepared by coprecipitation and the hydrothermal method, and the removal of arsenate anions from the clay's aqueous solution was investigated.
在一种特殊的钨酸空心管的基础上制备了一种结构简单且灵敏的亚硝酸根离子选择性电极。
A new type of simple and sensitive nitrite ion-selective electrode based on the special tungstic acid hollow tube has been prepared.
考察各类工艺条件对脱除效果的影响，得最适宜工艺条件：钙离子和硫酸根离子的配比1。
The impacts of various technological conditions on removal effects are investigated with the optimal technological conditions obtained as follows:ratio of Ca2+ to SO42- as 1.
指出硫酸根离子（SO42-）在混凝土中起到了激发FC掺和料及腐蚀混凝土的双重作用。
The sulfate radical ion (SO42-) has two actions in concrete: exciting FC admixture and corroding concrete.
方法具有较高的灵敏度和选择性，相当量的其他卤离子、酸根离子及一定量的金属离子不干扰测定。
The method has good sensitivity and selectivity. Proper amount of other halide ions, inorganic acid radical ions and metal ions dont interfere the determination.
海洋酸化还会进一步引起连锁化学反应：更多的氢离子意味着碳酸氢根离子多了，而碳酸根离子少了。
Ocean acidification has further chemical implications: more hydrogen ions mean more bicarbonate ions, and fewer carbonate ions.
试验表明，碘离子及碘酸根离子共存时，该方法能分别测定不同存在形式碘的含量，结果准确可靠。
The experiment indicates that when iodine ions and iodate radicals co-exist, this process can determine iodine content in different forms respectively with accurate and reliable results obtained.
结果表明：表面活性剂和硝酸根离子可以促进虫酰肼的水解，而腐殖酸则对其水解有一定抑制作用。
Results indicated that surfactant and NO3 - ions increased tebufenozide hydrolysis, while humic acid caused a degree of inhibition.
结果表明：表面活性剂和硝酸根离子可以促进虫酰肼的水解，而腐殖酸则对其水解有一定抑制作用。
Results indicated that surfactant and NO3 - ions increased tebufenozide hydrolysis, while humic acid caused a degree of inhibition.
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